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Part Name
Description
CY7C197B View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
Manufacturer
CY7C197B
256 Kb (256K x 1) Static RAM
Cypress Semiconductor
CY7C197B Datasheet PDF : 10 Pages
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7
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9
10
Write Cycle No. 1
(WE Controlled)
7
Address
CE
t
SA
WE
Data In
Data Out
Data
Undefined
t
WC
t
SCE
t
AW
t
HA
t
PWE
t
HZWE
t
SD
t
HD
Data
Valid
t
LZWE
High Impedance
Write Cycle No. 2
(CE Controlled)
7 10
Address
t
SA
CE
WE
Data In
Data Out
t
WC
t
SCE
t
HA
t
AW
t
PWE
t
SD
t
HD
Data Valid
High Z
CY7C197B
Notes:
10. If CE goes HIGH simultaneously with WE HIGH, the output remains in high-impedance state.
Document #: 38-05410 Rev. **
Page 8 of 10
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